:root {
    --primary-color: #6366f1;
    --secondary-color: #818cf8;
    --accent-color: #a78bfa;
    --dark-indigo: #1F0954;
    --dark-primary: #4f46e5;
    --light-primary: #a5b4fc;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --gray-color: #6b7280;
    --text-dark: #1f2937;
    --text-light: #6b7280;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    background: var(--dark-indigo);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    color: white;
    font-weight: 500;
}

.user-role {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-admin {
    background-color: var(--accent-color);
    color: white;
}

.badge-user {
    background-color: var(--secondary-color);
    color: white;
}

.btn-logout {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    background-color: var(--danger-color);
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn-logout:hover {
    background-color: #dc2626;
}

.badge-active {
    background-color: var(--success-color);
    color: white;
}

.badge-inactive {
    background-color: var(--gray-color);
    color: white;
}

.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 180px);
}

h2 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 1rem;
    color: #7f8c8d;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.alert-card {
    border-left: 4px solid var(--danger-color);
}

.alert-card .stat-number {
    color: var(--danger-color);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.dashboard-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dashboard-section h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.item-list {
    list-style: none;
}

.item-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #ecf0f1;
}

.item-list li:last-child {
    border-bottom: none;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--dark-primary);
}

.btn-secondary {
    background-color: var(--gray-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

.data-table {
    width: 100%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.data-table thead {
    background: var(--dark-indigo);
    color: white;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
}

.data-table tbody tr {
    border-bottom: 1px solid #ecf0f1;
}

.data-table tbody tr:hover {
    background-color: #f8f9fa;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-draft {
    background-color: var(--gray-color);
    color: white;
}

.badge-approved {
    background-color: var(--success-color);
    color: white;
}

.badge-planned {
    background-color: var(--secondary-color);
    color: white;
}

.badge-completed {
    background-color: var(--success-color);
    color: white;
}

.badge-open {
    background-color: var(--warning-color);
    color: white;
}

.badge-closed {
    background-color: var(--gray-color);
    color: white;
}

.badge-severity-minor {
    background-color: var(--warning-color);
    color: white;
}

.badge-severity-major {
    background-color: #fb923c;
    color: white;
}

.badge-severity-critical {
    background-color: var(--danger-color);
    color: white;
}

.form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 800px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.no-data {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
}

.no-data a {
    color: var(--primary-color);
    text-decoration: none;
}

.no-data a:hover {
    text-decoration: underline;
}

footer {
    background: var(--dark-indigo);
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

.badge-active {
    background-color: var(--success-color);
    color: white;
}

.badge-in-review {
    background-color: #f39c12;
    color: white;
}

.badge-obsolete {
    background-color: #7f8c8d;
    color: white;
}

.badge-category {
    background-color: var(--accent-color);
    color: white;
}

.badge-online {
    background-color: var(--secondary-color);
    color: white;
}

.badge-onsite {
    background-color: #16a085;
    color: white;
}

.stats-breakdown {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.breakdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.badge-doc-type {
    background-color: #16a085;
    color: white;
}

.filter-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.export-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.export-dropdown {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.3s;
}

.export-dropdown:hover {
    border-color: var(--primary-color);
}

.filter-form {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filter-form label {
    font-weight: 600;
    color: var(--text-dark);
}

.filter-form select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.btn-link:hover {
    text-decoration: underline;
}

.btn-download {
    background-color: #16a085;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    margin-top: 0.5rem;
}

.btn-download:hover {
    background-color: #138d75;
}

.sop-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.detail-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.detail-card h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    padding: 0.5rem 0;
}

.detail-item strong {
    display: block;
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.description-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #ecf0f1;
}

.description-section p {
    margin-top: 0.5rem;
    color: #555;
}

.main-file-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #ecf0f1;
}

.related-docs-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.related-docs-section h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.sop-info {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.sop-info h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.page-header > div {
    display: flex;
    gap: 1rem;
}

.item-list a {
    color: inherit;
    text-decoration: none;
}

.item-list a:hover {
    color: var(--primary-color);
}